About this number
(331) 281-1222 is a landline based telephone number operated by Neutral Tandem-Illinois, LLC - and is located in zip code 60563 in the city of Naperville, Illinois, which is in Du Page County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 331, a Network Numbering Exchange (NXX - also known as a prefix) of 281 and a subscriber number of 1222. It has an Operating Company Number (OCN) of 505B. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 358. It was first assigned for usage on 03/19/2013. Zip code 60563 has a population of 35,922 as of the 2010 census.